EP2795827A4 - Reference signal design for coordinated multipoint transmission - Google Patents

Reference signal design for coordinated multipoint transmission

Info

Publication number
EP2795827A4
EP2795827A4 EP12859132.8A EP12859132A EP2795827A4 EP 2795827 A4 EP2795827 A4 EP 2795827A4 EP 12859132 A EP12859132 A EP 12859132A EP 2795827 A4 EP2795827 A4 EP 2795827A4
Authority
EP
European Patent Office
Prior art keywords
reference signal
multipoint transmission
coordinated multipoint
signal design
design
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12859132.8A
Other languages
German (de)
French (fr)
Other versions
EP2795827B1 (en
EP2795827A2 (en
Inventor
Krishna Srikanth Gomadam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marvell World Trade Ltd
Original Assignee
Marvell World Trade Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of EP2795827A2 publication Critical patent/EP2795827A2/en
Publication of EP2795827A4 publication Critical patent/EP2795827A4/en
Application granted granted Critical
Publication of EP2795827B1 publication Critical patent/EP2795827B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
    • H04L25/03955—Spatial equalizers equalizer selection or adaptation based on feedback in combination with downlink estimations, e.g. downlink path losses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
EP12859132.8A 2011-12-20 2012-12-19 Reference signal design for coordinated multipoint transmission Active EP2795827B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161578207P 2011-12-20 2011-12-20
PCT/IB2012/057455 WO2013093786A2 (en) 2011-12-20 2012-12-19 Reference signal design for coordinated multipoint transmission

Publications (3)

Publication Number Publication Date
EP2795827A2 EP2795827A2 (en) 2014-10-29
EP2795827A4 true EP2795827A4 (en) 2016-01-13
EP2795827B1 EP2795827B1 (en) 2019-09-04

Family

ID=48610080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12859132.8A Active EP2795827B1 (en) 2011-12-20 2012-12-19 Reference signal design for coordinated multipoint transmission

Country Status (5)

Country Link
US (1) US9307523B2 (en)
EP (1) EP2795827B1 (en)
JP (1) JP6065330B2 (en)
CN (1) CN104969637B (en)
WO (1) WO2013093786A2 (en)

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Also Published As

Publication number Publication date
WO2013093786A3 (en) 2015-01-15
WO2013093786A2 (en) 2013-06-27
JP2015511411A (en) 2015-04-16
US9307523B2 (en) 2016-04-05
EP2795827B1 (en) 2019-09-04
CN104969637B (en) 2018-08-10
EP2795827A2 (en) 2014-10-29
US20130156001A1 (en) 2013-06-20
JP6065330B2 (en) 2017-01-25
CN104969637A (en) 2015-10-07

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